Home / 12,528,079.45-18,792,119.18-12,528,079.45

Finding the Fourth Proportional to 12,528,079.45, 18,792,119.18 and 12,528,079.45

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Solution

The fourth proportional to 12,528,079.45, 18,792,119.18 and 12,528,079.45 is: 18,792,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,079.45 : 18,792,119.18 = 12,528,079.45 : x
  2. Step 2: Convert to fraction form
    12,528,079.45/18,792,119.18 = 12,528,079.45/x
  3. Step 3: Cross multiply
    12,528,079.45x = 18,792,119.18 × 12,528,079.45
  4. Step 4: Simplify right side
    12,528,079.45x = 235,429,162,120,908.84
  5. Step 5: Solve for x
    x = 235,429,162,120,908.84/12,528,079.45
  6. Step 6: Final answer
    x = 18,792,119.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.